What is oxidation?

Oxidation is the loss of electrons from a molecule, atom, or ion. This corresponds to an increase in the oxidation number of the molecule, atom, or ion.

TG

Related Chemistry A Level answers

All answers ▸

At 25 °C, the initial rate of reaction is 3.1 × 10−3 mol dm−3 s−1 when the initial concentration of C is 0.48 mol dm−3 and the initial concentration of D is 0.23 mol dm−3 . Calculate a value for the rate constant at this T when rate = k [C][D].


A chemist mixes together 0.450 mol N2 with 0.450 mol H2 in a sealed container. The mixture is heated and allowed to reach equilibrium. At equilibrium, the mixture contains 0.400 mol N2 and the total pressure is 500 kPa. Calculate Kp.


Alcohol A has the chemical formula CH3CH(OH)CH2CH(CH3)CH3 . Give the IUPAC name for alcohol A.


A sample of strontium has a relative atomic mass of 87.7 and consists of three isotopes, 86Sr, 87Sr and 88Sr. In this sample, the ratio of abundances of the isotopes 86Sr: 87Sr is 1:1. Calculate the percentage abundance of the 88Sr isotope in this sample